20218557054

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{823}}^1\times {\mathrm{178021}}^1$

素因数の和:178872

約数の個数: 32

約数和(自身を含む): 42246756864

約数和(自身を除く): 22028199810

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 823, 1646, 2469, 4938, 18929, 37858, 56787, 113574, 178021, 356042, 534063, 1068126, 4094483, 8188966, 12283449, 24566898, 146511283, 293022566, 439533849, 879067698, 3369759509, 6739519018, 10109278527, 20218557054]

約数ペア:

[(1, 20218557054), (2, 10109278527), (3, 6739519018), (6, 3369759509), (23, 879067698), (46, 439533849), (69, 293022566), (138, 146511283), (823, 24566898), (1646, 12283449), (2469, 8188966), (4938, 4094483), (18929, 1068126), (37858, 534063), (56787, 356042), (113574, 178021)]